Merck & Co., Inc. Conference Call and Audio Web Cast

TO:	Journalists and Pharmaceutical Analysts
WHAT:	The defense trial team from the product liability case Grossberg v. Merck will host a conference call for journalists and pharmaceutical analysts to discuss the outcome of the trial.
WHO:	Ralph Campillo of Sedgwick, Detert, Moran & Arnold in Los Angeles Tarek Ismail of Bartlit, Beck, Herman, Palenchar & Scott in Chicago Thomas Yoo of Reed Smith in Los Angeles
WHEN:	Wednesday, Aug. 2, 2006, 8 p.m. ET
DIAL-IN:	In the United States, dial (800) 510-0219 Passcode: 77833550 Outside of the United States, dial (617) 614-3451 Passcode: 77833550
REPLAY:	A replay of this call will be available from 10 p.m. ET, Aug. 2 until 11:59 p.m. ET, Aug. 9. In the United States, dial (888) 286-8010 Passcode: 14107356 Outside of the United States, dial (617) 801-6888 Passcode: 14107356
WEBCAST:	A live audio Web cast will be available at: http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=190190&eventID=1362642

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